body {
  background-color: lightcyan;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;

  // 气泡
  .note {
    visibility: hidden;
    width: 1.3333rem;
    height: 1.3333rem;
    border-radius: 50%;
    background-color: #fff;
    text-align: center;
    line-height: 1.3333rem;
    margin: .5333rem auto;
    color: #f97342;
    border: 2px solid #f97342;
    font-size: .7rem;
  }

  .main {
    position: relative;
    margin: 0 auto;
    width: 75%;

    /* 上面 */
    .top {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;

      .tag {
        border-radius: 0.75em;
        padding: .1333rem .4333rem;
        color: white;
        background-color: yellowgreen;
        height: 1.5em;
        line-height: 1.5em;
        font-size: .4rem;
      }

      /* 进度条 */
      .container {
        width: 40%;

        .steps {
          height: 100%;
          width: 100%;
          display: flex;
          justify-content: space-between;
          align-items: center;

          .step {
            width: .4rem;
            height: .4rem;
            background: #fff;
            border: 2px solid #ACACA6;
            border-radius: 50%;
            cursor: pointer;
          }

          .step.completed {
            border: 2px solid #4B81BD;
            background: #4B81BD;
          }
        }
      }
    }

    /* 中间 */
    h1 {
      text-align: center;
      font-size: 1rem;
    }

    /* 下面 */
    .bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;

      button {
        width: 1.8667rem;
        height: 1.0667rem;
        border: none;
        font-size: .4267rem;
        color: white;

        &:active {
          box-shadow: .0533rem .0533rem .0533rem .0267rem #ccc;
        }
      }

      .forget {
        background-color: rgb(91, 91, 172);
      }

      .remember {
        background-color: rgb(214, 156, 3);
      }

      .go {
        background-color: rgb(234, 27, 37);
      }
    }
  }

  .best {
    display: none;
    text-align: center;
    font-size: .5rem;
    margin-top: 1rem;

    span {
      color: rgb(234, 27, 37);
    }
  }
}